This compact size submersible pump can be adjusted to the flow rate, and is excellent for handling water such as hose connections. Flow rate: 250 - 600 L/h; Maximum lift height: 3.9 ft (1.0 m); Connection hose diameter: 0.5 / 0.6 inches (12 / 16 mm); For both freshwater and saltwater; Sold separately at 50 Hz and 60 Hz. Please note: